864
CDUS45 KTFX 202340
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MST SAT DEC 20 2025
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 20 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 39 1243 PM 60 1900 34 5 55
MINIMUM 19 140 AM -28 1990 13 6 29
AVERAGE 29 23 6 42
PRECIPITATION (IN)
TODAY 0.00 0.40 1897 0.01 -0.01 0.00
MONTH TO DATE 1.01 0.31 0.70 0.20
SINCE OCT 1 2.57 2.25 0.32 1.11
SINCE JAN 1 17.04 16.97 0.07 19.62
DEGREE DAYS
HEATING
TODAY 36 42 -6 23
MONTH TO DATE 700 800 -100 633
SINCE DEC 1 700 800 -100 633
SINCE JUL 1 2339 2891 -552 2324
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 163 229 -66 298
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 17.4
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65
LOWEST 28
AVERAGE 47
......................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 60 1900
MINIMUM TEMPERATURE (F) 13 -35 1989
SUNRISE AND SUNSET
DECEMBER 20 2025......SUNRISE 801 AM MST SUNSET 431 PM MST
DECEMBER 21 2025......SUNRISE 801 AM MST SUNSET 431 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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